Atlanta, Georgia · field elev 998 ft
Density Altitude at Dekalb-Peachtree (KPDK)
Dekalb-Peachtree sits at 998 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 3,166 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 42.3 | 137 ft | 51.9 | 782 ft |
| February | 46.1 | 394 ft | 56.4 | 1,079 ft |
| March | 53.3 | 875 ft | 64.4 | 1,600 ft |
| April | 60.9 | 1,374 ft | 72.7 | 2,130 ft |
| May | 69.4 | 1,921 ft | 80.3 | 2,606 ft |
| June | 76.2 | 2,350 ft | 86.2 | 2,970 ft |
| July | 79.6 | 2,563 ft | 89.4 | 3,166 ft |
| August | 78.6 | 2,501 ft | 88.2 | 3,093 ft |
| September | 72.9 | 2,143 ft | 82.9 | 2,767 ft |
| October | 61.9 | 1,438 ft | 72.8 | 2,136 ft |
| November | 51.5 | 756 ft | 62.5 | 1,477 ft |
| December | 44.9 | 313 ft | 54.4 | 948 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for KPDK
DENSITY ALTITUDE
Field elevation 998 ft — the air behaves like 3,142 ft.
- PRESSURE ALT
- 999 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby Georgia fields
- KFTY — Fulton County Exec/Charlie Brown Field
Atlanta · elev 841 ft
- KATL — Hartsfield/Jackson Atlanta International
Atlanta · elev 1,026 ft
- KRYY — Cobb County International/Mccollum Field
Atlanta · elev 1,040 ft
- KLZU — Gwinnett County/Briscoe Field
Lawrenceville · elev 1,062 ft
- KCNI — Cherokee County Regional
Canton · elev 1,220 ft
- KCVC — Covington Municipal
Atlanta · elev 820 ft
- KHMP — Atlanta Speedway
Atlanta · elev 882 ft
- D73 — Cy Nunnally Meml
Monroe · elev 875 ft
Frequently asked questions
How high does density altitude get at KPDK in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Dekalb-Peachtree reaches roughly 3,166 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at KPDK on an average day?
It swings with the seasons: from roughly 137 ft at the coldest month's average temperature to about 2,563 ft at the warmest month's — all from a constant field elevation of 998 ft. The month-by-month table above carries the full year.
What is the field elevation of Dekalb-Peachtree?
998 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KPDK (ICAO) / PDK (FAA), in Atlanta, Georgia.